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EN
11
TECHNICAL MAINTENANCE
The unit is maintenance-free under normal operating conditions.
In case of light soiling, it is cleaned with a dry or slightly damp cloth.
In case of heavy soiling, clean with non-aggressive detergents.
In this case, the unit must be disconnected from the power supply.
Note that no liquids must be allowed to enter the unit.
The unit may only be reconnected to power mains after it has dried completely!
Periodically clean the unit of dust, lint, etc.
Make sure that the external electrical leads are securely attached to the screwed
terminals of the unit.
Replacing the fuse
Return the fuse knob to its original position by turning it to the end position and
then pull it towards you.
Remove the cover.
Remove the fuse holder with a screwdriver.
Replace the fuse holder.
Assemble the unit in the reverse order.
Use only recommended fuses (industrial, high breaking capacity).
The unit warranty does not apply if unsuitable fuses are used.
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY
MAINTENANCE OPERATIONS!
MAKE SURE THE UNIT IS DISCONNECTED FROM POWER MAINS
BEFORE REMOVING THE PROTECTION